Home / 8,415.74-12,623.63-2,572.36

Finding the Fourth Proportional to 8,415.74, 12,623.63 and 2,572.36

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Solution

The fourth proportional to 8,415.74, 12,623.63 and 2,572.36 is: 3,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.74 : 12,623.63 = 2,572.36 : x
  2. Step 2: Convert to fraction form
    8,415.74/12,623.63 = 2,572.36/x
  3. Step 3: Cross multiply
    8,415.74x = 12,623.63 × 2,572.36
  4. Step 4: Simplify right side
    8,415.74x = 32,472,520.87
  5. Step 5: Solve for x
    x = 32,472,520.87/8,415.74
  6. Step 6: Final answer
    x = 3,858.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.